FOXSports.com Baseball Writer Ken Rosenthal was the first to report the signing.
Romo recorded 23 saves in 2014 for San Francisco, posting a 3.72 ERA in 58 innings of work. Romo was also reportedly being pursued by the Dodgers, Yankees and Red Sox this offseason.
Dietrich was hurt while playing in the Dominican league when covering second base and a runner collided with him trying to grab the ball.
Dietrich played in 20 games for Miami in 2014, hitting .290 with two triples and 11 RBI. It is unknown if this injury will keep Dietrich out into spring training and the beginning of the regular season.
Kipnis, who was in and out of the lineup for Cleveland in 2014 with a hamstring injury, hit .240 last year with six home runs and 41 RBI. He has spent his four-year career in Cleveland, managing a .262 career average.
Bawcom has yet to pitch in a major league game. His production slipped at the Triple-A level last season as he compiled a career-worst 4.72 ERA.
Atkins has pitched just 22 innings at the major league level, but none since 2011.
The free agent landed with the Angels late in the season before being non-tendered two weeks ago. His numbers have been unimpressive since a strong rookie year of 2009. Beckham managed a slash line of .227/.271/.348 in 2014.
The Red Sox sent minor-league pitcher Aaron Kurcz and cash considerations.
Varvaro was moved to make room for newly acquired Alberto Callaspo Tuesday. Vavaro threw 54 2/3 innings in 2014 with a 2.63 ERA.
Ruggiano, who played in 81 games in 2014, hit .281 with six home runs and 28 RBI for the Cubs. He spent the previous two seasons with the Marlins, where in 2012, he hit a career high .313 with 23 doubles and 36 RBI.
Brazis went 8-6 with 14 saves and 2.89 ERA in three years with four teams in the Mariners minor league organization.
Myers, who hit .222 with six home runs and 35 RBI in 87 games, was also the Rookie of the Year in 2013.
Yahoo Sports MLB columnist Jeff Passan reported this deal might also involve pieces going to and from the
Siegrist, who was left on the Cardinals NLDS roster in 2014, went 1-4 in 30 1/3 innings with a 6.82 ERA.